/*
 * Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package top.continew.admin.common.util;

/**
 * 清除ossId的多余字段
 */
public class OssIdClearUtils {

    /**
     * 清理front_cover字段数据
     */
    // ... existing code ...
    public static String cleanFrontCover(String frontCover) {
        if (frontCover == null || frontCover.trim().isEmpty()) {
            return "";
        }
        // 1. 去除所有空格
        String cleaned = frontCover.replaceAll("\\s+", "");
        // 2. 去除首尾的逗号
        cleaned = cleaned.replaceAll("^,|,$", "");
        // 3. 去除连续的逗号
        cleaned = cleaned.replaceAll(",{2,}", ",");
        return cleaned;
    }
}
